{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:JoinAction",
  "title": "JoinAction",
  "description": "An agent joins an event/group with participants/friends at a location.\\n\\nRelated actions:\\n\\n* [[RegisterAction]]: Unlike RegisterAction, JoinAction refers to joining a group/team of people.\\n* [[SubscribeAction]]: Unlike SubscribeAction, JoinAction does not imply that you'll be receiving updates.\\n* [[FollowAction]]: Unlike FollowAction, JoinAction does not imply that you'll be polling for updates.",
  "type": "object",
  "allOf": [
    {
      "description": "The act of interacting with another person or organization.",
      "$ref": "schema:InteractAction"
    }
  ],
  "properties": {
    "event": {
      "description": "Upcoming or past event associated with this place, organization, or action.",
      "oneOf": [
        { "$ref": "schema:Event" },
        { "type": "array", "items": { "$ref": "schema:Event" } }
      ]
    }
  }
}